Home / 4,345.92-6,518.70-3,123.54

Finding the Fourth Proportional to 4,345.92, 6,518.70 and 3,123.54

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Solution

The fourth proportional to 4,345.92, 6,518.70 and 3,123.54 is: 4,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.92 : 6,518.70 = 3,123.54 : x
  2. Step 2: Convert to fraction form
    4,345.92/6,518.70 = 3,123.54/x
  3. Step 3: Cross multiply
    4,345.92x = 6,518.70 × 3,123.54
  4. Step 4: Simplify right side
    4,345.92x = 20,361,420.20
  5. Step 5: Solve for x
    x = 20,361,420.20/4,345.92
  6. Step 6: Final answer
    x = 4,685.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.